Positive result or evaporation line?

An

Hey. Got this result 6 days before missed period based on a 28 day cycle but sometimes I'm 25 days others it's as many as 30. I feel like I've had some symptoms but Idk if I'm just being paranoid. Result took quite a while to appear. I'll retest at home in a couple days and have a blood test scheduled for next week but I'm just trying to get an idea. I know it's super early but any indication would be great. Thanks